Sharma, A., B. Sharma, S. Niraula, S. Devkota, and P. Pradhan. “Smoking Habit Among Male Medical and Dental Students of B.P.Koirala Institute of Health Sciences, Nepal”. Kathmandu University Medical Journal, vol. 11, no. 1, Sept. 2014, pp. 32-36, doi:10.3126/kumj.v11i1.11020.